title: Erythema nodosum mimicking soft tissue sarcoma.
abstract: A case of painful localised swelling of the arm is described. This had the clinical features of a soft tissue sarcoma. However, histological analysis of a biopsy specimen revealed a cellular picture identical to that of erythema nodosum.
authors.affiliation: Department of Orthopaedic Surgery, Manchester Royal Infirmary.
authors.forename: A K
authors.initials: AK
authors.lastname: Siriwardena
mesh_terms: D003937:Diagnosis, Differential; D004550:Elbow / Q000473:pathology; D004893:Erythema Nodosum / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012509:Sarcoma / Q000175:diagnosis*; D012983:Soft Tissue Neoplasms / Q000175:diagnosis*